2. A sample of coarse sand, 15 cm high and 5.5 cm in diameter, was tested in a constant-head permeameter. Water percolated through the soil with a recorded head differential of 45 cm for a period of 10 seconds. The discharge water during that time was collected and found to weight 400 g. For both parts assume temperature is 20° C. (a) What was the coefficient of permeability at the void ratio and temperature of the test? (b) Estimate the coefficient of permeability if the fluid passing through is gasoline. Assume v = 1 cSt for water and v = 0.7 cSt for gasoline.
2. A sample of coarse sand, 15 cm high and 5.5 cm in diameter, was tested in a constant-head permeameter. Water percolated through the soil with a recorded head differential of 45 cm for a period of 10 seconds. The discharge water during that time was collected and found to weight 400 g. For both parts assume temperature is 20° C. (a) What was the coefficient of permeability at the void ratio and temperature of the test? (b) Estimate the coefficient of permeability if the fluid passing through is gasoline. Assume v = 1 cSt for water and v = 0.7 cSt for gasoline.
Chapter2: Loads On Structures
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Transcribed Image Text:2. A sample of coarse sand, 15 cm high and 5.5 cm in diameter, was tested in a constant-head
permeameter. Water percolated through the soil with a recorded head differential of 45 cm
for a period of 10 seconds. The discharge water during that time was collected and found to
weight 400 g. For both parts assume temperature is 20° C.
(a) What was the coefficient of permeability at the void ratio and temperature of the test?
(b) Estimate the coefficient of permeability if the fluid passing through is gasoline. Assume
v = 1 cSt for water and v =
= 0.7 cSt for gasoline.
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